AP Biology

Unit 4: Cell Communication and Cell Cycle

AP Bio Unit 4 Trivia

Cell Communication

Feedback Mechanisms and the Cell Cycle

Abiotic Signaling - Slides

Nervous System - Slides

Body Systems and Cell Signalling Trivia

4.1 Cell Communication

4.0 Game of 5s: AP Bio Unit 4 Review Trivia

Cell Signaling - Slides

4.0 Unit 4 Overview: Cell Communication and Cell Cycle

Endocrine System - Slides

Presentation slides, Body systems 

4.2 Introduction to Signal Transduction

4.7 Regulation of Cell Cycle

4.5 Feedback

Abiotic Signaling

4.3 Signal Transduction

Immune System

Mitosis & Meiosis - Slides

Cell Signaling

Immune System - Slides

Nervous System

4.4 Changes in Signal Transduction Pathways

Body systems

4.6 Cell Cycle

Endocrine System

Mitosis & Meiosis

Cell Communication - Slides

Administration 1

Administration 2

Administration 3

AP Biology Exam Prep 2020 | Reviews + Free Study Help | Fiveable

Learn about the chemistry of life in unit 1 of the AP Biology course. We'll cover topics such as the structure of water, hydrogen bonding, elements of life, biological macromolecules, and nucleic acids. Prepare for the exam with these resources and you be on your way to crush the AP Bio exam!

Unit 1: Chemistry of Life

Chemistry of Life

Unit 2 of AP Biology covers cell structure and function. We'll go over key topics such as subcellular components, cell size, plasma membranes, membrane permeability, membrane transport, facilitated diffusion, tonicity, osmoregulation, and cell compartmentalization. 

Unit 2: Cell Structure and Function

Cell Structure and Function

Unit 3 of AP Biology is all about cellular energetics. Review topics such as enzyme structure, enzyme catalysis, environmental impacts on enzyme function, cellular energy, and photosynthesis. 

Unit 3: Cellular Energetics

Cellular Energetics

Learn about how cells communicate and reproduce in unit 4 of AP Biology. Our study guides for unit 4 cover cell communication, signal transduction, changes in signal transduction pathways, feedback, cell cycle basics, and regulation of the cell cycle. 

Cell Communication and Cell Cycle

Get a solid understanding of heredity in unit 5 of the AP Biology exam. We'll cover topics such as meiosis, genetic diversity, mendelian genetics, non-mendelian genetics, environmental effects on phenotype, and chromosomal inheritance. 

Unit 5: Heredity

Heredity

Join us in exploring gene expression and regulation for the AP Biology exam. We'll cover all the topics in unit 6, such as DNA and RNA structure, replication, transcription, RNA processing, translation, regulation of gene representation, cell specialization, mutations, and biotechnology. 

Unit 6: Gene Expression and Regulation

Gene Expression and Regulation

Understanding natural selection is crucial to learning about how ecosystems function. Learn about unit 7 of AP Biology as we cover topics such as artificial selection, population genetics, hardy-weinberg equilibrium, evidence of evolution, common ancestry, continuing evolution, phylogeny, speciation, extinction, and origin of life on earth. 

Unit 7: Natural Selection

Natural Selection

Ecology is all about the interactions that organisms have amongst themselves and with their environment. In unit 8 of AP Biology, we'll cover topics such as responses to the environment, energy flow, population ecology, the effect of density of populations, community ecology, etc. 

Unit 8: Ecology

Ecology

The home for AP Biology reviews (including labs) as well as study strategies specific to AP Bio. You'll surely find a general resource that will improve your test-taking skills and help prepare for the exam.

General Review

Get ready to ace the multiple-choice questions of the AP Biology exam. We'll go over how the MCQs are structured, how to approach each question, and some last minute tips. By knowing the question types and the skills accessed, you'll be prepared in no time!

Multiple Choice Questions (MCQ)

Learn how to effectively answer free response questions for the AP Biology exam. We'll breakdown the FRQs and go over strategies on how to ace them. You'll be prepared with sample FRQ review videos, slides, and study guides! 

Free Response Questions (FRQ)

Blogs

Exam Reviews 2020

2019 Reviews

Get the answers to your questions from these AP Biology question and answer sessions. You'll be able to get rid of any uncertainties and feel more confident about the exam!

Q & A sessions

Get a comprehensive review of the AP Biology course. Learn every concept and unit to refresh your mind or even cram. These big reviews will serve as the ultimate preparation for the AP Biology exam. You'll feel ready for anything the test gives you and ace it in no time!

Big Reviews: Finals & Exam Prep

AP Cram Sessions 2021

Live Cram Sessions 2020

Big Idea #1: Evolution

Big Idea #2: Cellular Processes

Big Idea #3: Genetics and Information Transfer

Big Idea #4: Interactions

Live Cram Sessions 2019

Unit 1 Overview

Macromolecules

Carbohydrates

Lipids

Proteins 

Nucleic Acids

Unit 1 Overview: Chemistry of Life

Water Molecules

Hydrogen Bonding

Key Terms

Structure of Water and Hydrogen Bonding

Atoms

Isotopes

Electron Shells

Carbon

Functional Groups

Elements of Life

Chemical Bonds

Metallic Bonds

Polymers and Monomers

Covalent Bonds

Dehydration Synthesis & Hydrolysis

Introduction to Biological Macromolecules

Carbohydrates 


Lipids

Saturated and Unsaturated Fatty Acids

Phospholipids 

Steroids

	
Proteins

Properties of Biological Macromolecules

Disaccharides

Most Common Disaccharides

Polysaccharides

Most common types of Polysaccharides and Their Functions

Varied Functions of Proteins

Levels of Protein Structure

Denaturation

Structure and Function of Biological Macromolecules

Deoxyribonucleic Acid

Purines and Pyrimidines

Chargaff’s Rule

Cell Size

Plasma Membrane

Membrane Transport

Tonicity and Osmoregulation

Unit 2 Overview: Cell Structure and Function

Ribosomes

Endoplasmic Reticulum

The Golgi Apparatus

Mitochondria

Lysosomes

Vacuoles

Chloroplast

Cell Structure: Subcellular Components

Cell Compartmentalization

Origins of Cell Compartmentalization

Lysosome

Membrane Permeability

Plasma Membranes

Diffusion Across the Plasma Membrane

Different Modes of Membrane Transport

When and Why Does Facilitated Diffusion Occur?

Channel Proteins 

Carrier Proteins 

Facilitated Diffusion

Major Formulas

Unit 3 Overview: Cellular Energetics

Structure

Enzyme Structure

Enzyme Reactions

Competitive and Noncompetitive Inhibitors

Enzyme Catalysis

Temperature

Concentration

Environmental Impacts on Enzyme Function

Adenosine Triphosphate (ATP)

Energy

Cellular Energy

Chemiosmosis

Light-Independent Reactions (Calvin Cycle)

Photosynthesis

Glycolysis

Krebs Cycle

Electron Transport Chain

Fermentation

Cellular Respiration

Adaptations

Survival and Reproduction

Fitness

In a Nutshell

Before we begin…

❗ Important Vocabulary 

Unit 4 Overview: Cell Communication and Cell Cycle

Direct Contact

Paracrine Signaling

Synaptic Signaling

Cell Surface Receptors

Examples of cell surface receptors

Transduction has a link to evolution

Introduction to Signal Transduction

Gene Expression

Signal Transduction Pathways

Signal Transduction

Cellular Processes

Mutations

Chemicals

Changes in Signal Transduction Pathways

Homeostasis

❎ Negative Feedback Loops

✅ Positive Feedback Loops

Feedback

1️⃣ Interphase

4️⃣ Mitosis

5️⃣ Cytokinesis 

Cell Cycle

Cell Cycle Checkpoints

Cancerous Cells

Apoptosis

Regulation of Cell Cycle

Unit 5 Overview: Heredity

1️⃣ Step 1

2️⃣ Step 2

3️⃣ Step 3

4️⃣ Step 4

Meiosis

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🧬AP Biology - Unit 4: Cell Communication and Cell Cycle

Exam Dates:

may 14, 2021

, may 27, 2021

, june 11, 2021

Study Guides